Home / 12,200.44-18,302.68-4,800.96

Finding the Fourth Proportional to 12,200.44, 18,302.68 and 4,800.96

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Solution

The fourth proportional to 12,200.44, 18,302.68 and 4,800.96 is: 7,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.44 : 18,302.68 = 4,800.96 : x
  2. Step 2: Convert to fraction form
    12,200.44/18,302.68 = 4,800.96/x
  3. Step 3: Cross multiply
    12,200.44x = 18,302.68 × 4,800.96
  4. Step 4: Simplify right side
    12,200.44x = 87,870,434.57
  5. Step 5: Solve for x
    x = 87,870,434.57/12,200.44
  6. Step 6: Final answer
    x = 7,202.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.